Compute the net irrigation required for a soil with the total available soil water capacity of 0.152 (volume basis) over a rooting depth of 1.0 m and for a soil moisture depletion factor of 0.5. The dry bulk density of the soil is 1.32 g/cm 3 . 8. Soil samples were taken at different locations from a 0.4 ha farm using the core samplers (10 cm diameter ×5 cm length) about 48 hours after a rainfall event. The following measurements were made before and after oven drying the samples:
Answers
The net irrigation required for the given soil is 0.129 m3/m2.
To compute the net irrigation required, we need to know the water deficit in the soil after a rainfall event. The total available soil water capacity of 0.152 (volume basis) over a rooting depth of 1.0 m means that the soil can hold 0.152 m3 of water per m2 of soil to a depth of 1 m.
The soil moisture depletion factor of 0.5 means that the plants have used up half of the available water, leaving only 0.076 m3/m2 of water in the soil.
To calculate the water deficit, we need to subtract the current soil moisture content from the total available soil water capacity:
Water deficit = 0.152 - 0.076 = 0.076 m3/m2
We also need to convert the units of soil bulk density from g/cm3 to kg/m3:
Dry bulk density = 1.32 g/cm3 x 1000 kg/g = 1320 kg/m3
Assuming the root zone is uniformly wetted to the full depth of 1 m, the net irrigation requirement can be calculated as:
Net irrigation = Water deficit / (1 - (1 - soil moisture depletion factor) x (bulk density of soil / 1000))
Net irrigation = 0.076 / (1 - (1 - 0.5) x (1320 / 1000)) = 0.129 m3/m2
Therefore, the net irrigation required for the given soil is 0.129 m3/m2.
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Related Questions
If a digital multimeter displays 000 when reading amperage, what should the technician do to get a more accurate reading
Answers
Answer:
Use a non digital multimeter.
Explanation:
If a digital multimeter displays "000" when reading amperage, the technician should adjust the multimeter to a higher amperage range.
Why should the technician do this?This is because "000" typically indicates that the current being measured is too low for the current range selected on the multimeter.
By switching to a higher amperage range, the technician can get a more accurate reading and ensure that the multimeter is properly measuring the current in the circuit under test.
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pls help me it’s due today
Answers
Answer:
C. 14.55
Explanation:
12 x 10 = 120
120 divded by 10 is 12
so now we do the left side
7 x 3 = 21 divded by 10 is 2
so now we have 14
and the remaning area is 0.55
so 14.55
Explain why aircraft structures are made of aluminum alloys? Do you recommend heat-treatable or non-heat treatable aluminum alloy for this application? Explain why chemical and food processing equipment are made of stainless steel? What type of stainless steel do you recommend for this application? Explain why knee implants are made of Titanium?
Answers
In the manufacture of airplanes, aluminum is essential. The ideal material for aircraft construction, it has a strong resistance to corrosion and a favorable weight to strength to cost ratio.
Yet, the ability of aluminum to withstand UV deterioration makes it the perfect metal for use in aircraft construction. Aluminum alloys that cannot be heated are a class of alloys whose strength qualities are exclusively dependent on solid solution strengthening and cold work. They are different from heat-treatable alloys in that they can't produce second-phase precipitates, which increase strength.
Nearly every processing facility in the beverage and liquid food industries now uses stainless steel in place of other metals. This is due to its non-toxic nature, hard, corrosion-resistant surfaces, and ease of cleaning
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Active Steering Control Systems, also known as Electronic Stability Programs (ESP)
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Active Steering Control Systems, also known as Electronic Stability Programs (ESP), are safety systems in vehicles designed to help the driver maintain control during sudden maneuvers or on slippery surfaces.
Active Steering Control Systems, or Electronic Stability Programs, use sensors to detect changes in vehicle direction and speed, and then apply braking force to individual wheels as necessary to help keep the vehicle on its intended path. This technology can help prevent loss of control, skidding, and rollovers, and has become a common feature in modern vehicles. Some systems may also include additional features such as traction control and hill start assist to further enhance safety and performance.
By continually monitoring and adjusting vehicle performance, Active Steering Control Systems and Electronic Stability Programs can help drivers stay safe and in control while on the road.
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For the network of Fig. below, draw the output waveform if Vr = 4.3V , R = 1000Omega and Vi=25 sin ot. Assume an Si diode is used. + R D V_{i}; V_{r}; V_{o}
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list five pieces of personal safety equipment which must be in everyday use in the workshop
Answers
Answer:
safety glasses, hearing protection, respirator, work gloves, and work boots.
Explanation:
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A jointed arm robot can rotate on the following 6 axes?
Answers
Answer:
-x, +x, -y, +y, -z, +z
Explanation:
These are the 6 axes
If the effective mass of holes is greater than the effective mass of electrons in semiconductor material, Question 3 options: the intrinsic Fermi energy is slightly above the center of the bandgap. the bandgap is wider than it would be if the situation were reversed. there is no effect on the intrinsic Fermi energy level. the intrinsic Fermi energy is slightly below the center of the bandgap.
Answers
Answer:
The intrinsic Fermi energy is slightly below the center of the bandgap ( option A )
Explanation:
Given that the effective mass of holes is > than the effective mass of electrons in a semiconductor the Intrinsic Fermi energy is slightly below the center of the bandgap.
Intrinsic Fermi energy is experienced/present in the occupation of energy levels in the valence or conduction bands of an intrinsic conductor
estion 4
While discussing automotive batteries.
Technician A states; automotive batteries must be disposed of or recycled at dedicated facilities.
Technician B states; when jump starting a vehicle, the last connection is the positive cable.
O Neither technician "A" nor "B"
Both technician "A" and "B"
O Technician "B" only
O Technician "A" only
Answers
In regards to discussing automotive batteries. Both technician "A" and "B" are correct. Hence option B is correct.
What are the automotive batteries about?Automotive batteries must be disposed of or recycled at dedicated facilities because they contain lead and acid, which are hazardous materials. These facilities are equipped to properly handle and dispose of these materials in an environmentally safe way.
Therefore, When jump starting a vehicle, the last connection should be the positive cable. This is because the positive cable carries the electrical charge that starts the vehicle, and connecting it last prevents any sparks from occurring near the battery, which could cause an explosion or fire.
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Problem 1 (paper) Use Gauss-Jordan elimination with partial pivoting to solve the following linear system. Show all steps. Represent all values as exact fractions, not decimal numbers.
[2 1 1 4 2 1 3 1 1] [x1 x2 x3] = [8 13 10]
Problem 2 (paper) For the matrix-matrix
A = [2 3 2 4 7 6 6 11 13]
Calculate the LU decomposition A = LU where
L = [1 0 0 l21 1 0 l31 l32 1] and U = [u11 u12 u13 0 u22 u23 0 0 u33]
As follows. Mulitply out LU to get algebraic expressions for each component of A in terms of the components of L and U.
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Answer:
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Explanation:
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Pyramid is a type of ___________ structure.
Answers
Answer:
Massive or linteled
Explanation:
Pyramid is a type of massive or linteled structure.
These structures do no have not much internal spaces and they are huge edifices.
A pyramid is a solid body with outer triangular faces that converges on top. To construct a pyramid, large amounts of materials are usually involved. Pyramids were more prominent in times past before this present civilization.
Sharon has just invented a new tractor that will plow and plant a new hybrid of corn at the same time. Which type of engineer is she?
Answers
Answer:
Agricultural engineer
In _____________ compression design the signal is split at the input, and one signal is used to compress the other slightly delayed split signal.
Answers
Answer:
Feed Forward
Explanation:
In FEED FORWARD compression design the signal is split at the input, and one signal is used to compress the other slightly delayed split signal.
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a differentiator has a break frequency of 100 khz and a unity gain frequency of 10 khz. over what frequency range would the circuit provide the derivative of a function and increase the signal?
Answers
An op amp-based circuit known as a differentiator produces an output signal that is proportional to the differentiation of the input signal. In essence, an op amp differentiator is an inverting amplifier with an appropriate capacitor at its input end.
A differentiator circuit: what is it?Depending on the circuit time constant and the amplifier's bandwidth, the differentiator circuit produces the derivative of the input signal over a range of frequencies. Applying the input signal to the inverting input causes the output to be polarity-inverted with respect to the input signal.
Why is a differentiator opamp used? The major application of this op-amp is to boost weak signal levels. Depending on the components used in the design, an op-amp differentiator can be either active or passive. We will utilize this differentiator amplifier in frequency modulators and wave shaping circuits because it essentially functions as a high pass filter.
Why do op-amps utilize capacitors? A feedback capacitor is used in a typical op-amp circuit to restrict bandwidth. A feedback capacitor is a typical approach to minimize noise because restricting op-amp bandwidth will do so. Consider that a capacitor functions as a short to "high frequency" AC impulses in order to comprehend how the feedback capacitor operates.
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A circuit has two resistors in parallel, each resistor is 6 ohms. This circuit is connected to a single resistor of 6 ohms, to form a series-parallel circuit. What is the total resistance of the circuit?
Answers
The tatal resistance of the series-parallel circuit with two resistor connected in parallel which combination is connected in series to a single resistor is 9 ohms.
What is a resistance?
This can be defined as the opposition to current flow in a circuit.
To calculate the total resistance, first we need to find the total resistance of the parallel resistor.
For parallel,
R' = (R₁R₂)/(R₁+R₂)............Equation 1Where:
R' = Total resistance of the parallel resistor.
From the question,
Given:
R₁ = 6 ohmsR₂ = 6 ohmsSubstitute these values into equation 1
R' = (6×6)(6+6)R' = 3 ohms.Finally, we combine the effective parallel resistance in series to the single resistance to the the total resistance of the circuit.
Rt = R'+R₃.................. Equation 2Where:
Rt = Total resistance of the circuit.From the question,
R' = 3 ohmsR₃ = 6 ohmsSubstitute these values into equation 2
Rt = 3+6Rt = 9 ohms.Hence, the total resistance of the circuit is 9 ohms.
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An aircraft had a 100-hour inspection when the tachometer read 1259.6. When is the next 100- hour inspection due? A- 1349.6 hours.
Answers
The next 100-hour inspection for the aircraft is due when the tachometer reaches 1349.6 hours.
The 100-hour inspection for an aircraft refers to a maintenance requirement that needs to be performed after every 100 hours of flight time. It is an important safety measure to ensure the aircraft's airworthiness and identify any potential issues or wear and tear that may have occurred during its operation.
In the given scenario, the next 100-hour inspection for the aircraft is scheduled to take place when the tachometer reading reaches 1349.6 hours. The tachometer is a device that measures the running time of the aircraft's engine. It provides an indication of the total number of hours the engine has been in operation.
When the tachometer reading reaches the specified threshold of 1349.6 hours, it serves as a trigger for the aircraft owner or maintenance personnel to schedule and carry out the 100-hour inspection. This inspection involves a comprehensive examination of various aircraft components, systems, and structures to ensure their proper functioning and adherence to safety standards.
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An electrical contractor employs 16 people. Five people earn $15 per hour, four people earn $17 per hour, and the remaining people earn $16 per hour. What is the total hourly wage earned by all 16 people
Answers
$255 per hour
Explanation:Total number of employed people = 16
(i) 5 people earn $15 per hour
That means that the total amount earned by those 5 is;
5 x $15 = $75 per hour
(ii) 4 people earn $17 per hour
That means that the total amount earned by those 4 is;
4 x $17 = $68 per hour
(iii) The remaining people earn $16 per hour.
There are 7 people remaining. i.e
16 - 5 - 4 = 7
That means that the total amount earned by those remaining (7) is;
7 x $16 = $112 per hour
The total hourly wage is therefore the sum of all the results in i, ii and iii. i.e
Total = $75 + $68 + $112
Total = $255
Therefore, the total hourly wage earned by all 16 people is $255
a weight of 20 lb is applied to a cylinder that is full of water. The Piston area is 4.5 inches squared. what is the pressure of the water? round to one "decimal" place.
Answers
Answer:
6.564 is the answers i learned that in the american school i live there
In a true Brayton cycle, the pressure ratio is 9. Air input temperature to the cycle 300 K pressure is 100 kPa. The maximum temperature in the cycle is 1300 K. Compressor and turbine their yields are equal to each other. Net work obtained from the cycle is 225 kJ / kg. Accordingly, the cycle find the overall yield. The specific temperatures are variable.
Answers
Answer:
i did not known answer but anobody help you
onsider the parallel planes of infinite extent normal to the page having opposite edges aligned as shown in the sketch. Using appropriate view factor relations and the results for opposing parallel planes, develop an expression for the view factor F12 and evaluate it.
Answers
The view factor F12 between two parallel planes of infinite extent can be determined using the view factor relations and the results for opposing parallel planes.
To develop the expression for the view factor F12 between the parallel planes, we start with the equation F12 = (A1 / A2) * (1 - F21), which relates the view factor between two surfaces to the areas and the view factor from the second surface to the first surface. In the case of opposing parallel planes, the view factor F21 is equal to F12.
We substitute this value into the equation to obtain F12 = 1 - F21. By substituting F21 = 1 - (1 / (2 * π * r)), where r is the distance between the planes, we simplify the expression for F12. The resulting expression is F12 = 1 / (2 * π * r), indicating that the view factor between the parallel planes is inversely proportional to the distance between them and depends only on geometric considerations.
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What is a kind of useful car?
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technician a says the brake shoes should be properly adjusted before the parking brake adjustment. technician b says after the parking brake cable adjusting nut is tightened so the rear wheels have a slight drag on them . loosen the nut 4 turns. who is correct?
Answers
After it's adjusted to your specification, tighten the jam nut to invulnerable the new adjustment in place. Make positive to rotate the rear wheels in the air freely to make sure that the e-brake is not binding with the rotors with the e-brake lever totally released.
How do you alter parking brake shoes?Parking Brake Shoe Adjustments
In case it is necessary, take a jack and remove the wheel to get get admission to to the megastar adjuster. ...
Check in the owner's guide on which aspect will the star adjuster tighten and turn it with a screwdriver; this will shorten the celebrity adjuster.
When have to the parking brake cables be adjusted?If you observe that the brake lever needs to be pulled up many instances or clicked many instances earlier than it engages, you can also want to modify the parking brake cable in your vehicle.
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I am trying to create a line of code to calculate distance between two points. (distance=\(\sqrt{ (x2-x1)^2+(y2-y1)^2}) My line is point_dist = math.sqrt((math.pow(x2 - x1), 2) + math.pow(y2 - y1), 2) but I am getting an error saying that pow is expecting two arguments and is only getting one. Can anyone help me?
Answers
Answer:
point_dist = math.sqrt((math.pow(x2 - x1, 2) + math.pow(y2 - y1, 2))
Explanation:
The distance formula is the difference of the x coordinates squared, plus the difference of the y coordinates squared, all square rooted. For the general case, it appears you simply need to change how you have written the code.
point_dist = math.sqrt((math.pow(x2 - x1, 2) + math.pow(y2 - y1, 2))
Note, by moving the 2 inside of the pow function, you have provided the second argument that it is requesting.
You were close with your initial attempt, you just had a parenthesis after x1 and y1 when you should not have.
Cheers.
40. AASHTO assumes a deceleration value in calculating SSD of:
a. 14 ft /sec2
b. 11.2 ft /sec2
c. 9.6 ft /sec2
d. 10.2 ft /sec2
Answers
AASHTO assumes a deceleration value in calculating stopping sight distance (SSD) of B. 11.2 ft/s^2. This doesn't take any road defects into account.
Considering the CIA triad and the Parkerian hexad, what are the advantages and disadvantages of each model?
Answers
The CIA triad and the Parkerian hex are the fundamental principles of information security.
CIA triad and the Parkerian hexadParkeriano, or Parkerian hexad: is a set of six elements of information security proposed by Donn B. Parker.
1. Confidentiality.
2. Ownership or Control.
3. Integrity.
4. Authenticity.
5. Availability.
6. Utility
The Parkerian hexagram adds three more attributes to the three classic security attributes of the CIA triangle
Confidentiality Integrity Availability
these are the fundamental principles of information security.
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According to the article “Getting from Here to There,” which choice best explains how engineers offered a counterpoint to public transportation? A. by offering high-speed trains that travel even faster B. by making trains more energy efficient C. by creating more fuel-efficient hybrid cars D. by making more roads so there's less traffic
Answers
Answer: C is the best answer
Which of these was not part of the OBD II implementation?
OA. Common Codes
OB. Readiness Monitors
OC. Digital Processing
OD. Standard Terminologies
Answers
The Digital Processing is not part of the OBD II implementation.
What is an OBD II system?OBD II is known to be a kind of acronym for On-Board Diagnostic II. This is known to be the second generation of on-board self-diagnostic equipment that is needed for light- and medium-duty California vehicles.
The OBD-II is said to be a kind of on-board computer that handles emissions, , speed, etc.
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Draw a DFD(level-0) of an online shopping management system.
Answers
A level-0 DFD of an online shopping management system would consist of a single process representing the system as a whole.
In this level-0 DFD, the process represents the online shopping management system itself. It encapsulates all the functions and activities related to the system, such as product browsing, shopping cart management, order processing, and payment handling. The inputs to the system would typically include user requests for products, while the outputs would include order confirmations, invoices, and updates to the inventory.
The process interacts with external entities, such as customers and suppliers, who provide the necessary inputs and receive the outputs generated by the system.
The purpose of this level-0 DFD is to provide an overview of the system's functionality and its interactions with external entities. It helps in understanding the high-level flow of information and processes within the online shopping management system. However, it does not provide details about the internal workings of the system or the specific data flows between internal processes. Those details would be captured in subsequent levels of DFDs.
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In flowing from section (1) to section (2) along an open channel, the water depth decreases by a factor of two and the Froude number changes from a subcritical value of 0.4 to a supercritical value of 2.5. Determine the channel width at (2) if it is 13 ft wide at (1).
Answers
Answer:
channel width = 2.621 ft
Explanation:
Given data :
Decreasing Factor = 2
subcritical value = 0.4
super critical value = 2.5
width = 13 ft
attached below is a detailed solution and
both thrash and speed metal primarily combine what two genres?
Answers
Thrash and speed metal primarily combine the genres of heavy metal and punk rock.
Thrash metal and speed metal emerged in the early 1980s as subgenres of heavy metal. They both incorporate elements from two main genres: heavy metal and punk rock.
Heavy metal is characterized by its aggressive guitar riffs, fast and intricate solos, powerful vocals, and often dark and intense lyrical themes. Punk rock, on the other hand, is known for its raw and energetic sound, fast-paced rhythms, and rebellious attitude.
Thrash metal took the aggression and intensity of heavy metal and infused it with the speed and aggression of punk rock. The guitar riffs in thrash metal are often fast and aggressive, with rapid palm-muted picking and complex solos. The drumming is typically fast and intense, and the vocals can range from aggressive shouting to melodic singing.
Speed metal, as the name suggests, focuses on high-speed guitar and drumming, drawing influences from both heavy metal and punk rock. It emphasizes fast-paced, energetic rhythms and intense guitar solos. The vocals in speed metal are often high-pitched and powerful.
Thrash metal and speed metal are subgenres of heavy metal that combine the aggression and intensity of heavy metal with the speed and energy of punk rock. They are known for their fast-paced guitar riffs, intricate solos, intense drumming, and powerful vocals.
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